44、头像上传

1<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
2<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
3<uses-permission android:name="android.permission.INTERNET"/>

 1 <RelativeLayout
 2     xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent">
 5 
 6     <ImageView
 7         android:layout_width="300px"
 8         android:layout_height="300px"
 9         android:id="@+id/imageView"
10         android:layout_alignParentTop="true"
11         android:layout_centerHorizontal="true" />
12 
13     <Button
14         android:layout_width="wrap_content"
15         android:layout_height="wrap_content"
16         android:text="摄像头"
17         android:id="@+id/btn_camera"
18         android:layout_centerVertical="true"
19         android:layout_centerHorizontal="true" />
20 
21     <Button
22         android:layout_width="wrap_content"
23         android:layout_height="wrap_content"
24         android:text="图库"
25         android:id="@+id/btn_gallery"
26         android:layout_below="@+id/btn_camera"
27         android:layout_centerHorizontal="true"
28         android:layout_marginTop="41dp" />
29 </RelativeLayout>

  1 public class MainActivity extends ActionBarActivity {
  2 
  3     private static int CAMERA_REQUEST_CODE = 1;
  4     private static int GALLERY_REQUEST_CODE = 2;
  5     private static int CROP_REQUEST_CODE = 3;
  6 
  7     @Override
  8     protected void onCreate(Bundle savedInstanceState) {
  9         super.onCreate(savedInstanceState);
 10         setContentView(R.layout.activity_main);
 11 
 12         Button btn_camera = (Button) findViewById(R.id.btn_camera);
 13         btn_camera.setOnClickListener(new View.OnClickListener() {
 14             @Override
 15             public void onClick(View v) {
 16                 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
 17                 startActivityForResult(intent, CAMERA_REQUEST_CODE);
 18             }
 19         });
 20 
 21         Button btn_gallery = (Button) findViewById(R.id.btn_gallery);
 22         btn_gallery.setOnClickListener(new View.OnClickListener() {
 23             @Override
 24             public void onClick(View v) {
 25                 Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
 26                 intent.setType("image/*");
 27                 startActivityForResult(intent, GALLERY_REQUEST_CODE);
 28             }
 29         });
 30     }
 31 
 32     private Uri saveBitmap(Bitmap bm) {
 33         File tmpDir = new File(Environment.getExternalStorageDirectory() + "/com.dr.avater");
 34         if (!tmpDir.exists()) {
 35             tmpDir.mkdir();
 36         }
 37         File img = new File(tmpDir.getAbsolutePath() + "avater.png");
 38         try {
 39             FileOutputStream fos = new FileOutputStream(img);
 40             bm.compress(Bitmap.CompressFormat.PNG, 85, fos);
 41             fos.flush();
 42             fos.close();
 43             return Uri.fromFile(img);
 44         } catch (FileNotFoundException e) {
 45             e.printStackTrace();
 46             return null;
 47         } catch (IOException e) {
 48             e.printStackTrace();
 49             return null;
 50         }
 51     }
 52 
 53     private Uri convertUri(Uri uri) {
 54         InputStream is = null;
 55         try {
 56             is = getContentResolver().openInputStream(uri);
 57             Bitmap bitmap = BitmapFactory.decodeStream(is);
 58             is.close();
 59             return saveBitmap(bitmap);
 60         } catch (FileNotFoundException e) {
 61             e.printStackTrace();
 62             return null;
 63         } catch (IOException e) {
 64             e.printStackTrace();
 65             return null;
 66         }
 67     }
 68 
 69     private void startImageZoom(Uri uri) {
 70         Intent intent = new Intent("com.android.camera.action.CROP");
 71         intent.setDataAndType(uri, "image/*");
 72         intent.putExtra("crop", "true");
 73         intent.putExtra("aspectX", 1);
 74         intent.putExtra("aspectY", 1);
 75         intent.putExtra("outputX", 150);
 76         intent.putExtra("outputY", 150);
 77         intent.putExtra("return-data", true);
 78         startActivityForResult(intent, CROP_REQUEST_CODE);
 79     }
 80 
 81     @Override
 82     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 83         if (requestCode == CAMERA_REQUEST_CODE) {
 84             if (data == null) {
 85                 return;
 86             } else {
 87                 Bundle extras = data.getExtras();
 88                 if (extras != null) {
 89                     Bitmap bm = extras.getParcelable("data");
 90                     Uri uri = saveBitmap(bm);
 91                     startImageZoom(uri);
 92                 }
 93             }
 94         } else if (requestCode == GALLERY_REQUEST_CODE) {
 95             if (data == null) {
 96                 return;
 97             }
 98             Uri uri;
 99             uri = data.getData();
100             Uri fileUri = convertUri(uri);
101             startImageZoom(fileUri);
102         } else if (requestCode == CROP_REQUEST_CODE) {
103             if (data == null) {
104                 return;
105             }
106             Bundle extras = data.getExtras();
107             if (extras == null) {
108                 return;
109             }
110             Bitmap bm = extras.getParcelable("data");
111             ImageView imageView = (ImageView) findViewById(R.id.imageView);
112             imageView.setImageBitmap(bm);
113             sendImage(bm);
114         }
115     }
116 
117     private void sendImage(Bitmap bm) {
118         ByteArrayOutputStream stream = new ByteArrayOutputStream();
119         bm.compress(Bitmap.CompressFormat.PNG, 60, stream);
120         byte[] bytes = stream.toByteArray();
121         String img = new String(Base64.encodeToString(bytes, Base64.DEFAULT));
122 
123         AsyncHttpClient client = new AsyncHttpClient();
124         RequestParams params = new RequestParams();
125         params.add("img", img);
126         client.post("http://192.168.56.1/ImgUpload.php", params, new AsyncHttpResponseHandler() {
127             @Override
128             public void onSuccess(int i, Header[] headers, byte[] bytes) {
129                 Toast.makeText(MainActivity.this, "Upload Success!", Toast.LENGTH_LONG).show();
130 
131             }
132 
133             @Override
134             public void onFailure(int i, Header[] headers, byte[] bytes, Throwable throwable) {
135                 Toast.makeText(MainActivity.this, "Upload Fail!", Toast.LENGTH_LONG).show();
136             }
137         });
138     }
139 
140     @Override
141     public boolean onCreateOptionsMenu(Menu menu) {
142         // Inflate the menu; this adds items to the action bar if it is present.
143         getMenuInflater().inflate(R.menu.menu_main, menu);
144         return true;
145     }
146 
147     @Override
148     public boolean onOptionsItemSelected(MenuItem item) {
149         // Handle action bar item clicks here. The action bar will
150         // automatically handle clicks on the Home/Up button, so long
151         // as you specify a parent activity in AndroidManifest.xml.
152         int id = item.getItemId();
153 
154         //noinspection SimplifiableIfStatement
155         if (id == R.id.action_settings) {
156             return true;
157         }
158 
159         return super.onOptionsItemSelected(item);
160     }
161 }